Sodium in water experiment -finale

11 December 2020: students in our grades 6-8 science class finished a series of experiments with a dramatic show for the younger students. Teacher Vince Gutschick bought sodium metal online after the students and he planned a series of experiments on reaction rates.  Sodium is a very reactive metal, combining vigorously with water to generate […]

Science grades 5-8: home experiments and Zoom

Our six students in the science 5-8 class meet three times a week on Zoom for far-ranging discussions… and to show their results of their home experiments growing sunflowers hydroponically.  Some of the discussions start from sections in the book we’ve used at time, How Science Works, with extensions well beyond the book from student […]

Elephant toothpaste

Monday, 10 February 2020: we turned the famous elephant toothpaste demonstration into a real science experiment, in our grades 5-8 science class.  The demo is just the mixing of hydrogen peroxide solution with yeast so that the catalase enzyme in yeast rapidly breaks down the peroxide; detergent added earlier allows voluminous foam to form.  We […]